code: def testEmpty(self):
      self.assertComputeFails(
          ChromaCrossSimilarity(otiBinary=False, frameStackSize=1),
          [],
          [],
      )
      self.assertComputeFails(
          ChromaCrossSimilarity(otiBinary=True, frameStackSize=1),
          [],
          [],
      )
  
file_path: essentia/test/src/unittests/highlevel/test_chromacrosssimilarity.py
imports: from essentia_test import *
  from essentia import run
  import essentia.streaming
  import numpy
label_desc: Use image node_id 1 for calling the TestChromaCrossSimilarity obj's underlying member method code with example usage: obj.testEmpty() without return types